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Rock City, IL
Full City Profile · Illinois · Stephenson County County
3.8
/5.0
B+
Good
378
Population
2,700/sq mi density
$70,000
Median Income
$27,446 per capita
$124,000
Home Value
$213,162 Zillow
$845
Median Rent
27.5% income on rent
49°F
Avg Temperature
260 sunny days/yr
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$70,000 median income, 2.7% unemployment
A+
Affordability
5.0 / 5.0
$124,000 home value, $845/mo rent
C
Education
2.0 / 5.0
12.9% bachelor's degree or higher
Housing Overview
Median Home Value
$124,000
56% below
US avg: $281,900
Median Rent
$845/mo
27% below
US avg: $1,163/mo
Homeownership Rate
79.2%
21% above US avg (65.4%)
Total Housing Units
127
Median year built: 1957
Home Value by Source
Census Median
$124,000
Zillow (ZHVI)
$213,162
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
79.2%
Owner-Occupied
20.8%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$774/mo
1 Bedroom
$854/mo
2 Bedroom
$1,063/mo
3 Bedroom
$1,370/mo
4 Bedroom
$1,561/mo
Census median rent:
$845/mo
Affordability & Housing Stock
Rent Burden
27.5%
of renters spending 30%+ of income on housing
11% below US avg (31.0%)
Median Year Built
1957
Average age of housing stock: 69 years
Homeownership Rate
79.2%
Complete Housing Data
Home Values
| Census Median Value | $124,000 |
| Zillow Home Value (ZHVI) | $213,162 |
Rent
| Census Median Rent | $845 |
| FMR Studio | $774 |
| FMR 1-Bedroom | $854 |
| FMR 2-Bedroom | $1,063 |
| FMR 3-Bedroom | $1,370 |
| FMR 4-Bedroom | $1,561 |
Market
Ownership & Stock
| Owner-Occupied | 79.2% |
| Renter-Occupied | 20.8% |
| Homeownership Rate | 79.2% |
| Total Housing Units | 127 |
| Median Year Built | 1957 |
| Rent Burden | 27.5% |